5-Fluorouracil；5-Fluoropyrimidine-2,4-dione

CAS No.: 51-21-8

C4H3FN2O2 =130.08

grade: USP 

Content: 98.0 ~ 102.0%

Fluorine content: 13.9 ~ 15.0%

Loss on drying: ≤ 0.5%

Heavy metals: ≤ 0.002%

Physicochemical properties: white or off white crystalline powder, slightly soluble in water, slightly soluble in ethanol. 190 ~ 200 ℃ (13.3pa) sublimation. Decompose at 282 ~ 283 ℃. Maximum absorption wavelength (in 0.1mol/l hydrochloric acid) 265 ~ 266nm（ ε 7070)。 Moderate toxicity, median lethal dose (rat, oral) 230mg/kg. Corrosive

Uses: biochemical research, for the synthesis of fluorocytosine, nucleic acid metabolism. Research on Panicle Differentiation of rice and wheat, determination of genetic metabolism, and plant growth and development.

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